I thought I would remember and I can't, I've looked and looked to no avail.........Somewhere here( not necessary in the Mit. trucks) is a disscusion, on building of course, and in the thread one of the Aussies has posted some pic's on building race trailers etc. With in the post is the material they use to sheet the trailers, thats what I'm lookin for. So if someone remembers the post showing the alum. trailers I'm sure I'll find the material used. Thanks.